Ma'anar, mai amfani da aunawar ƙarfin gas mai gas

Loarfin gas na gas

A yau gidaje da masana'antu da yawa suna amfani da iskar gas. Wannan gas din yana cikin ci gaban duniya gabaɗaya kuma ana tsammanin zai ci gaba da haɓaka cikin shekaru masu zuwa. Don amfani gas ana amfani da ma'auni mai mahimmanci a duniyar ilimin sunadarai. Yana da game da darajar calorific. Wannan shine ma'aunin da ake amfani dashi don tantance ingancin gas. Godiya ga wannan, farashin gas da ake buƙata don wani aiki kuma, sabili da haka, ana iya rage farashin tattalin arzikinta.

Koyaya, menene ƙimar calorific? A cikin wannan sakon zaku iya sanin komai game da darajar calorific, kawai ku ci gaba da karantawa 🙂

Ma'anar darajar calorific

Konewa daga gas

Caloimar calolori mai gas shine yawan kuzari a kowane sashi ko juz'i wanda aka saki akan cikakken hadawan abu. Ba a san wannan maye gurbi ba don baƙin ƙarfe. Abu ne gama gari lokacin da kaji wasu sunadarai don tunanin hada abubuwa kamar haka. Magungunan Oxid wani ra'ayi ne da ke nuni da asarar electron daga abu. Lokacin da wannan ya faru, cajin sa mai kyau yana ƙaruwa kuma ana cewa yana sanya oxidized. Wannan ambaton iskancin da aka ambata yana faruwa a cikin aikin ƙonewa.

Lokacin da muke kona iskar gas muna samun makamashi don samar da wutar lantarki, ruwan zafi, da sauransu. Saboda haka, yana da mahimmanci a san adadin kuzarin da iskar gas ke iya samarwa ta kowane sashi na girma ko girma don tantance ingancinta. A cewar mafi girman ƙimar calolori, ƙarancin adadi na gas za mu yi amfani da shi. A cikin wannan akwai muhimmancin ingancin gas dangane da farashin tattalin arziki.

Ana amfani da bangarori daban-daban na auna ma'auni don auna darajar calolori. Kilojoules da kilocalories ana amfani dasu don duka girma da girma. Kamar yadda yake a cikin abinci, a cikin gas akwai kuma kilocalories. Ba wani abu bane face makamashi da aka saki yayin aikin shayarwar. Idan ya zo ga taro, ana lasafta shi a kilojoule a kowace kilo (kJ / Kg) ko kuma kilocalorie a kowace kilo (kcal / kg). Idan muka koma zuwa juz'i, zamuyi maganar kilojoule a kowace cubic meter (kJ / m3) ko kilocalorie a kowace mita mai siffar sukari (kcal / m3).

Caloimar mafi girma ko ƙasa

Gas burner

Lokacin da muke magana da ka'ida, ƙimar gas mai ƙarfi ta musamman ce kuma mai ɗorewa ce. Koyaya, idan ya zo ga aiwatar dashi a aikace zamu iya samun wasu ma'anoni biyu. Daya yana nufin zuwa mafi girman darajar calorific kuma wani zuwa ƙananan. Na farko yayi la'akari da cewa tururin ruwan da aka samu yayin aikin konewa ya kasance cikakke. Wannan yana la'akari da zafin da iskar gas ke samarwa a cikin canjin lokaci.

A zaci cewa dukkan abubuwan da ke cikin konewa ana ɗaukarsu a sifili. Don konewa ya gudana dole ne ya kasance iska kuma wannan iska shima yana bada kuzari. Sabili da haka, idan an kawo masu sarrafawa da samfuran da suka shiga cikin konewar zuwa sifili digiri kafin da bayanta, tururin ruwan zai zama cikakke. Wannan tururin ruwan yana fitowa daga yanayin danshi wanda yake tattare da mai kuma daga danshi wanda yake samuwa yayin da hydrogen din dake cikin man yake yin iskar gas.

A gefe guda, ƙananan ƙimar calorific baya la'akari da makamashi wancan ana sake shi ta sauyin lokaci na gas. Ya yi la'akari da cewa tururin ruwa da ke cikin gas ba ya tarawa. Ta hanyar canzawa lokaci, baya sakin kuzari kuma babu ƙarin shigarwa. A wannan halin, akwai shigarwar makamashi kawai daga iskar shaka ta mai.

Amfani da masana'antu

Amfani da masana'antu na ƙimar calorific

Idan ya zo ga gaskiya a masana'antun samar da makamashi, ƙimar mafi ƙanƙanci ne wanda ke da babbar sha'awa. Wannan saboda gas mai ƙonewa yawanci yana cikin zazzabi mafi girma fiye da haɓakar tururin ruwa. Sabili da haka, ba a la'akari da makamashi saboda sauyin lokaci na gas.

Ta hanyar wakiltar makamashin da gas din zai iya fitarwa yayin samarinsa, zamu iya sanin ingancin gas din. Thearin darajar kuzari da gas ke da shi, ƙasa da yawa za mu buƙata. A cikin masana'antu yana da matukar mahimmanci la'akari da waɗannan abubuwan. Mafi girman ingancin gas, ƙananan ƙimar samarwa. Thearin kwanciyar hankali ƙimar calorific na gas, mai rahusa zai zama farashin ayyukan aiki.

Matakan da sarrafawar da ake aiwatarwa akan waɗannan ayyukan sun dogara ne akan wane nau'in kamfani yake yi. Koyaya, duk abin da kamfani (gas na ƙasa, tafki, rijiya ko biogas) suke sarrafa shi gaba ɗaya. Hakanan ana amfani dashi sosai a masana'antu kamar ƙarfe, masana'antar gilashi, tsire-tsire na suminti, matatun mai, masu samar da wuta da man petrochemicals.

Matakan nazari

Gas chromatography

Mun yi sharhi cewa ƙimar calolori muhimmiyar siga ce kuma masana'antun suna da hanyoyin aunawa da sarrafa shi. Akwai hanyoyi daban-daban don ƙayyade ƙimar calorific na gas. Mafi dadewa kuma mafi sani shine na bam din calorimeter.

Wannan hanyar ta kunshi gabatar da iskar gas a cikin kwandon da yake rufe ta wanda yake da ƙarfi. Dole ne a keɓe akwati daga wasu kayan ko yiwuwar canje-canje a cikin ma'aunin. Da zarar an gabatar da iskar, ana amfani da walƙiya don kunna gas din. Ana sanya ma'aunin zafi da sanyio don auna zafin. Tare da wannan canjin a ƙimar zafin jiki za mu auna zafin da aka saki ta hanyar aikin maye gurbi.

Kodayake wannan hanyar tana da madaidaiciya, amma tana ƙosar da duk iskar gas ɗin da ke cikin ƙonewa. Bugu da ƙari kuma, ana ɗaukarsa azaman hanyar auna ma'auni. Saboda haka, ba a amfani da wannan hanyar a manyan masana'antun da ke cin gas.

Ci gaba da auna wannan gas ana yin sa ne ta hanyar binciken iskar gas na kan layi. Wannan ya ƙunshi raba abubuwan haɗin samfurin gas a cikin ginshiƙan chromatographic. A yadda aka saba shi ne bututu mai kwalliya wanda a cikinsa akwai tsayayyen lokaci kuma muna gabatar da iskar gas, wanda shine lokacin wayar. Abubuwan da ke cikin gas ana kiyaye su ta hanyar tallata lokaci na tsaye, yana taɓarɓar da lokacin fitarwa gwargwadon nauyin kwayoyinsa. Ananan nauyin kwayoyin, ya fi gajarta lokacin fitarwa, kuma akasin haka. Lokacin da iskar gas ta bar shafi, suna haɗuwa da mai zaɓin mai binciken hydrocarbon. Suna aiki ta hanyar haɓakar zafin jiki.

Lokacin nazarin sakamakon, an samu chromatogram. Wannan ba komai bane illa zane wanda yake nuna yawan kashi dari na kowane hydrocarbon a gas din da muka tantance. Tare da wannan bayanin, ana iya lissafin ƙimar calorific daga baya.

Kun riga kun san wani abu game da ƙarfin kuzari da mahimmancin da yake dashi yayin samar da iskar gas ko wasu gas.


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